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isUnlabelledFallback

This can be marked 'true' to indicate that some published DeliveryTimeSettings or ShippingRateSettings are intended to apply to all OfferShippingDetails published by the same merchant, when referenced by a shippingSettingsLink in those settings. It is not meaningful to use a 'true' value for this property alongside a transitTimeLabel (for DeliveryTimeSettings) or shippingLabel (for ShippingRateSettings), since this property is for use with unlabelled settings.

Value
Boolean
Used on
DeliveryTimeSettings and ShippingRateSettings
Source
Schema.org 30.1

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Used on
isUnlabelledFallback
Its value
A DeliveryTimeSettings or a ShippingRateSettings can have an isUnlabelledFallback, and its value is a Boolean.

Used on

2 types have an isUnlabelledFallback, and so does every type that descends from them.

Its value

Its value is a Boolean.

Where this comes from

Quoted from Schema.org, and credited. Nothing in this definition is written by us.

  1. Published by
    Schema.orgschema.org/isUnlabelledFallback
  2. Release
    Version 30.116 September 2026
  3. Proposed in
    Schema.org issue 2506
  4. License
    CC BY-SA 3.0Free to copy and adapt, with credit, under the same licence
  5. Changed by us
    Nothing.

Use this property

Its definition is free to reuse, with credit to Schema.org. The same property is here as data, for programs and for language models.

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